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Object-oriented Programming
Programming with Class-based Objects : Reflection: using built-in ABL classes

Reflection: using built-in ABL classes

Reflection is the ability to get information about a class, interface, or enumeration type at run time. ABL provides reflection support using the built-in ABL class Progress.Lang.Class class, several built-in classes (e.g., Progress.Reflect.Method) designed to provide information about specific class members, and several built-in enumerations (e.g., Progress.Reflect.Flags) used to pass information to and from the reflection methods. This support allows you to get information about the type and hierarchy of a class-based object, as well as information about its members.
* Using the Progress.Lang.Class class